WorksheetsB23CBT304 - WEB APPLICATION DEVELOPMENT UNIT - IV
Total questions: 10
Worksheet time: 3hrs 52mins
Which of these selection statements test only for equality?
if
switch
if & switch
none of the mentioned
Which of these are selection statements in Java?
if()
for()
continue
break
Which of the following loops will execute the body of loop even when condition controlling the loop is initially false?
do-while
while
for
none of the mentioned
Which of these jump statements can skip processing the remainder of the code in its body for a particular iteration?
break
return
exit
continue
Which of this statement is incorrect?
switch statement is more efficient than a set of nested ifs
two case constants in the same switch can have identical values
switch statement can only test for equality, whereas if statement can evaluate any type of boolean expression
it is possible to create a nested switch statements
What will be the output of the following Java program?
class selection_statements
{
public static void main(String args[])
{
int var1 = 5;
int var2 = 6;
if ((var2 = 1) == var1)
System.out.print(var2);
else
System.out.print(++var2);
}
}
1
2
3
4
What will be the output of the following Java program?
class comma_operator
{
public static void main(String args[])
{
int sum = 0;
for (int i = 0, j = 0; i < 5 & j < 5; ++i, j = i + 1)
sum += i;
System.out.println(sum);
}
}
5
6
14
Compilation Error
What will be the output of the following Java program?
class jump_statments
{
public static void main(String args[])
{
int x = 2;
int y = 0;
for ( ; y < 10; ++y)
{
if (y % x == 0)
continue;
else if (y == 8)
break;
else
System.out.print(y + " ");
}
}
}
1 3 5 7
2 4 6 8
1 3 5 7 9
1 2 3 4 5 6 7 8 9
What will be the output of the following Java program?
class Output
{
public static void main(String args[])
{
final int a=10,b=20;
while(a<b)
{
System.out.println("Hello");
}
System.out.println("World");
}
}
Hello
run time error
Hello world
compile time error
What will be the output of the following Java program?
class Output
{
public static void main(String args[])
{
int a = 5;
int b = 10;
first:
{
second:
{
third:
{
if (a == b >> 1)
break second;
}
System.out.println(a);
}
System.out.println(b);
}
}
}
5 10
10 5
5
10